Fluid transportation by a sample
a technology of liquid transportation and sample, which is applied in the direction of transportation and packaging, mechanical equipment, instruments, etc., can solve the problems of not being able to absorb the sample, compromising the test designed to measure the intrinsic absorption properties, and causing testing errors
Active Publication Date: 2014-10-28
KALLMES ANDREW
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- Abstract
- Description
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- Application Information
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Benefits of technology
The patent describes an apparatus for transporting fluid to a sheet of material. The apparatus includes a feature for positioning the sheet to absorb fluid through an opening. This positioning feature can be controlled by a screw with grooves that press the sheet through the opening. The technical effect of the apparatus is to enable precise placement of fluid on the sheet for improved absorption and use of the fluid.
Problems solved by technology
One problematic issue associated with generally all liquid absorption testing involves the interface through which liquid is introduced into the specimen.
This is problematic because fluid may preferentially wick along in the boundary between the specimen and the test plate instead of being absorbed the test specimen.
Any fluid not absorbed by the specimen may represent a source of testing error.
Such means may compromise tests designed to measure the intrinsic absorption properties of the test specimen because they introduce excess measurement noise.
Previously known technologies also have generally failed to address certain problems associated with the delivery of liquid to the specimen.
Such a flow path also tends to compromise tests designed to measure the intrinsic absorption properties of the test specimen because they introduce measurement errors associated with uneven or uncontrolled liquid flow.
Such errors may arise, for example, due to the tendency of the conduit to trap air or other gasses.
Still another problematic issue associated liquid absorption testing is that test specimens may swell and / or deform as they absorb liquid.
In turn, liquid transport behavior may be disrupted or otherwise altered, thereby compromising the accuracy of the test.
Method used
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[0027]Before describing the present invention in detail, it is to be understood that the invention is not limited to specific fluids or porous media, as such may vary. It is also to be understood that the terminology used herein is for describing particular embodiments only, and is not intended to be limiting.
[0028]In addition, as used in this specification and the appended claims, the singular article forms “a,”“an,” and “the” include both singular and plural referents unless the context clearly dictates otherwise. Thus, for example, reference to “an opening” includes an arrangement of openings as well as a single opening, reference to “fluid” includes a single fluid as well as a mixture of fluids, and the like.
[0029]In this specification and in the claims that follow, reference will be made to a number of terms that shall be defined to have the following meanings, unless the context in which they are employed clearly indicates otherwise:
[0030]The term “array” is used herein in its...
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Abstract
Apparatuses and methods are provided for transporting fluid to a sample such as a sheet of material. The apparatuses and methods may employ a variety of interfaces that facilitate controlled fluid transportation from a lumen for absorption by the sample.
Description
CROSS REFERENCE TO RELATED APPLICATIONS[0001]This application is a continuation-in-part of U.S. patent application Ser. No. 12 / 147,637, filed Jun. 27, 2008, entitled “Fluid Transportation by a Sheet of Material,” by Andrew Kallmes, now issued as U.S. Pat. No. 7,779,685 to Kallmes, which claims priority to U.S. Provisional Patent Application Ser. No. 60 / 946,707, filed Jun. 27, 2007, entitled “Fluid Transportation by a Sheet of Material,” by Andrew Kallmes, the disclosures of which are incorporated by reference in their entireties.BACKGROUND[0002]1. Field of the Invention[0003]The invention relates generally to apparatuses and methods for measuring the fluid transportation and / or absorption behavior of sheet materials and other samples.[0004]2. Description of Related Art[0005]The desirability and performance characteristics of numerous sheet materials depend in large part on their fluid-transportation and / or absorption behavior. For example, paper towels, tissues, and other cellulosic...
Claims
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IPC IPC(8): G01N1/00
CPCG01N5/025G01N15/08Y10T137/6851
Inventor KALLMES, ANDREW
Owner KALLMES ANDREW